Kernel/vfs/open.c

   1 /*
   2  * Acess2 VFS
   3  * - Open, Close and ChDir
   4  */
   5 #define DEBUG   0
   6 #include <acess.h>
   7 #include "vfs.h"
   8 #include "vfs_int.h"
   9 #include "vfs_ext.h"
  10
  11 // === CONSTANTS ===
  12 #define OPEN_MOUNT_ROOT 1
  13 #define MAX_PATH_SLASHES        256
  14
  15 // === IMPORTS ===
  16 extern tVFS_Node        gVFS_MemRoot;
  17 extern tVFS_Mount       *gVFS_RootMount;
  18 extern int      VFS_AllocHandle(int bIsUser, tVFS_Node *Node, int Mode);
  19
  20 // === CODE ===
  21 /**
  22  * \fn char *VFS_GetAbsPath(const char *Path)
  23  * \brief Create an absolute path from a relative one
  24  */
  25 char *VFS_GetAbsPath(const char *Path)
  26 {
  27         char    *ret;
  28          int    pathLen = strlen(Path);
  29         char    *pathComps[MAX_PATH_SLASHES];
  30         char    *tmpStr;
  31         int             iPos = 0;
  32         int             iPos2 = 0;
  33         const char      *chroot = CFGPTR(CFG_VFS_CHROOT);
  34          int    chrootLen;
  35         const char      *cwd = CFGPTR(CFG_VFS_CWD);
  36          int    cwdLen;
  37
  38         ENTER("sPath", Path);
  39
  40         // Memory File
  41         if(Path[0] == '$') {
  42                 ret = malloc(strlen(Path)+1);
  43                 if(!ret) {
  44                         Log_Warning("VFS", "VFS_GetAbsPath: malloc() returned NULL");
  45                         return NULL;
  46                 }
  47                 strcpy(ret, Path);
  48                 LEAVE('p', ret);
  49                 return ret;
  50         }
  51
  52         // - Fetch ChRoot
  53         if( chroot == NULL ) {
  54                 chroot = "";
  55                 chrootLen = 0;
  56         } else {
  57                 chrootLen = strlen(chroot);
  58         }
  59
  60         // Check if the path is already absolute
  61         if(Path[0] == '/') {
  62                 ret = malloc(pathLen + 1);
  63                 if(!ret) {
  64                         Log_Warning("VFS", "VFS_GetAbsPath: malloc() returned NULL");
  65                         return NULL;
  66                 }
  67                 strcpy(ret, Path);
  68         } else {
  69                 if(cwd == NULL) {
  70                         cwd = "/";
  71                         cwdLen = 1;
  72                 }
  73                 else {
  74                         cwdLen = strlen(cwd);
  75                 }
  76                 // Prepend the current directory
  77                 ret = malloc( cwdLen + 1 + pathLen + 1 );
  78                 strcpy(ret, cwd);
  79                 ret[cwdLen] = '/';
  80                 strcpy(&ret[cwdLen+1], Path);
  81                 //Log("ret = '%s'\n", ret);
  82         }
  83
  84         // Parse Path
  85         pathComps[iPos++] = tmpStr = ret+1;
  86         while(*tmpStr)
  87         {
  88                 if(*tmpStr++ == '/')
  89                 {
  90                         pathComps[iPos++] = tmpStr;
  91                         if(iPos == MAX_PATH_SLASHES) {
  92                                 LOG("Path '%s' has too many elements", Path);
  93                                 free(ret);
  94                                 LEAVE('n');
  95                                 return NULL;
  96                         }
  97                 }
  98         }
  99         pathComps[iPos] = NULL;
 100
 101         // Cleanup
 102         iPos2 = iPos = 0;
 103         while(pathComps[iPos])
 104         {
 105                 tmpStr = pathComps[iPos];
 106                 // Always Increment iPos
 107                 iPos++;
 108                 // ..
 109                 if(tmpStr[0] == '.' && tmpStr[1] == '.' && (tmpStr[2] == '/' || tmpStr[2] == '\0') )
 110                 {
 111                         if(iPos2 != 0)
 112                                 iPos2 --;
 113                         continue;
 114                 }
 115                 // .
 116                 if(tmpStr[0] == '.' && (tmpStr[1] == '/' || tmpStr[1] == '\0') )
 117                 {
 118                         continue;
 119                 }
 120                 // Empty
 121                 if(tmpStr[0] == '/' || tmpStr[0] == '\0')
 122                 {
 123                         continue;
 124                 }
 125
 126                 // Set New Position
 127                 pathComps[iPos2] = tmpStr;
 128                 iPos2++;
 129         }
 130         pathComps[iPos2] = NULL;
 131
 132         // Build New Path
 133         iPos2 = 1;      iPos = 0;
 134         ret[0] = '/';
 135         while(pathComps[iPos])
 136         {
 137                 tmpStr = pathComps[iPos];
 138                 while(*tmpStr && *tmpStr != '/')
 139                 {
 140                         ret[iPos2++] = *tmpStr;
 141                         tmpStr++;
 142                 }
 143                 ret[iPos2++] = '/';
 144                 iPos++;
 145         }
 146         if(iPos2 > 1)
 147                 ret[iPos2-1] = 0;
 148         else
 149                 ret[iPos2] = 0;
 150
 151
 152         // Prepend the chroot
 153         tmpStr = malloc(chrootLen + strlen(ret) + 1);
 154         strcpy( tmpStr, chroot );
 155         strcpy( tmpStr+chrootLen, ret );
 156         free(ret);
 157         ret = tmpStr;
 158
 159         LEAVE('s', ret);
 160         //Log("VFS_GetAbsPath: RETURN '%s'", ret);
 161         return ret;
 162 }
 163
 164 /**
 165  * \fn char *VFS_ParsePath(const char *Path, char **TruePath)
 166  * \brief Parses a path, resolving sysmlinks and applying permissions
 167  */
 168 tVFS_Node *VFS_ParsePath(const char *Path, char **TruePath)
 169 {
 170         tVFS_Mount      *mnt;
 171         tVFS_Mount      *longestMount = gVFS_RootMount; // Root is first
 172          int    cmp, retLength = 0;
 173          int    ofs, nextSlash;
 174         tVFS_Node       *curNode, *tmpNode;
 175         char    *tmp;
 176
 177         ENTER("sPath pTruePath", Path, TruePath);
 178
 179         // Memory File
 180         if(Path[0] == '$') {
 181                 if(TruePath) {
 182                         *TruePath = malloc(strlen(Path)+1);
 183                         strcpy(*TruePath, Path);
 184                 }
 185                 curNode = gVFS_MemRoot.FindDir(&gVFS_MemRoot, Path);
 186                 LEAVE('p', curNode);
 187                 return curNode;
 188         }
 189
 190         // For root we always fast return
 191         if(Path[0] == '/' && Path[1] == '\0') {
 192                 if(TruePath) {
 193                         *TruePath = malloc( gVFS_RootMount->MountPointLen+1 );
 194                         strcpy(*TruePath, gVFS_RootMount->MountPoint);
 195                 }
 196                 LEAVE('p', gVFS_RootMount->RootNode);
 197                 return gVFS_RootMount->RootNode;
 198         }
 199
 200         // Check if there is an`ything mounted
 201         if(!gVFS_Mounts) {
 202                 Warning("WTF! There's nothing mounted?");
 203                 return NULL;
 204         }
 205
 206         // Find Mountpoint
 207         for(mnt = gVFS_Mounts;
 208                 mnt;
 209                 mnt = mnt->Next)
 210         {
 211                 // Quick Check
 212                 if( Path[mnt->MountPointLen] != '/' && Path[mnt->MountPointLen] != '\0')
 213                         continue;
 214                 // Length Check - If the length is smaller than the longest match sofar
 215                 if(mnt->MountPointLen < longestMount->MountPointLen)    continue;
 216                 // String Compare
 217                 cmp = strcmp(Path, mnt->MountPoint);
 218
 219                 #if OPEN_MOUNT_ROOT
 220                 // Fast Break - Request Mount Root
 221                 if(cmp == 0) {
 222                         if(TruePath) {
 223                                 *TruePath = malloc( mnt->MountPointLen+1 );
 224                                 strcpy(*TruePath, mnt->MountPoint);
 225                         }
 226                         LEAVE('p', mnt->RootNode);
 227                         return mnt->RootNode;
 228                 }
 229                 #endif
 230                 // Not a match, continue
 231                 if(cmp != '/')  continue;
 232                 longestMount = mnt;
 233         }
 234
 235         // Save to shorter variable
 236         mnt = longestMount;
 237
 238         LOG("mnt = {MountPoint:\"%s\"}", mnt->MountPoint);
 239
 240         // Initialise String
 241         if(TruePath)
 242         {
 243                 *TruePath = malloc( mnt->MountPointLen+1 );
 244                 strcpy(*TruePath, mnt->MountPoint);
 245                 retLength = mnt->MountPointLen;
 246         }
 247
 248         curNode = mnt->RootNode;
 249         curNode->ReferenceCount ++;
 250         // Parse Path
 251         ofs = mnt->MountPointLen+1;
 252         for(; (nextSlash = strpos(&Path[ofs], '/')) != -1; ofs += nextSlash + 1)
 253         {
 254                 char    pathEle[nextSlash+1];
 255
 256                 // Empty String
 257                 if(nextSlash == 0)      continue;
 258
 259                 memcpy(pathEle, &Path[ofs], nextSlash);
 260                 pathEle[nextSlash] = 0;
 261
 262                 // Check permissions on root of filesystem
 263                 if( !VFS_CheckACL(curNode, VFS_PERM_EXECUTE) ) {
 264                         if(curNode->Close)      curNode->Close( curNode );
 265                         if(TruePath) {
 266                                 free(*TruePath);
 267                                 *TruePath = NULL;
 268                         }
 269                         //Log("Permissions fail on '%s'", Path);
 270                         LEAVE('n');
 271                         return NULL;
 272                 }
 273
 274                 // Check if the node has a FindDir method
 275                 if( !curNode->FindDir )
 276                 {
 277                         if(curNode->Close)      curNode->Close(curNode);
 278                         if(TruePath) {
 279                                 free(*TruePath);
 280                                 *TruePath = NULL;
 281                         }
 282                         //Log("FindDir fail on '%s'", Path);
 283                         LEAVE('n');
 284                         return NULL;
 285                 }
 286                 LOG("FindDir{=%p}(%p, '%s')", curNode->FindDir, curNode, pathEle);
 287                 // Get Child Node
 288                 tmpNode = curNode->FindDir(curNode, pathEle);
 289                 LOG("tmpNode = %p", tmpNode);
 290                 if(curNode->Close) {
 291                         //LOG2("curNode->Close = %p", curNode->Close);
 292                         curNode->Close(curNode);
 293                 }
 294                 curNode = tmpNode;
 295
 296                 // Error Check
 297                 if(!curNode) {
 298                         LOG("Node '%s' not found in dir '%s'", pathEle, Path);
 299                         if(TruePath) {
 300                                 free(*TruePath);
 301                                 *TruePath = NULL;
 302                         }
 303                         //Log("Child fail on '%s' ('%s)", Path, pathEle);
 304                         LEAVE('n');
 305                         return NULL;
 306                 }
 307
 308                 // Handle Symbolic Links
 309                 if(curNode->Flags & VFS_FFLAG_SYMLINK) {
 310                         if(TruePath) {
 311                                 free(*TruePath);
 312                                 *TruePath = NULL;
 313                         }
 314                         if(!curNode->Read) {
 315                                 Warning("VFS_ParsePath - Read of node %p is NULL (%s)",
 316                                         curNode, Path);
 317                                 if(curNode->Close)      curNode->Close(curNode);
 318                                 // No need to free *TruePath, see above
 319                                 LEAVE('n');
 320                                 return NULL;
 321                         }
 322
 323                         tmp = malloc( curNode->Size + 1 );
 324                         if(!tmp) {
 325                                 Log_Warning("VFS", "VFS_ParsePath - Malloc failure");
 326                                 // No need to free *TruePath, see above
 327                                 LEAVE('n');
 328                                 return NULL;
 329                         }
 330                         curNode->Read( curNode, 0, curNode->Size, tmp );
 331                         tmp[ curNode->Size ] = '\0';
 332
 333                         // Parse Symlink Path
 334                         curNode = VFS_ParsePath(tmp, TruePath);
 335                         if(TruePath)
 336                                 LOG("VFS", "*TruePath='%s'", *TruePath);
 337
 338                         // Error Check
 339                         if(!curNode) {
 340                                 Log_Debug("VFS", "Symlink fail '%s'", tmp);
 341                                 free(tmp);      // Free temp string
 342                                 if(TruePath)    free(TruePath);
 343                                 LEAVE('n');
 344                                 return NULL;
 345                         }
 346
 347                         // Free temp link
 348                         free(tmp);
 349
 350                         // Set Path Variable
 351                         if(TruePath) {
 352                                 retLength = strlen(*TruePath);
 353                         }
 354
 355                         continue;
 356                 }
 357
 358                 // Handle Non-Directories
 359                 if( !(curNode->Flags & VFS_FFLAG_DIRECTORY) )
 360                 {
 361                         Warning("VFS_ParsePath - File in directory context");
 362                         if(TruePath)    free(*TruePath);
 363                         LEAVE('n');
 364                         return NULL;
 365                 }
 366
 367                 // Check if path needs extending
 368                 if(!TruePath)   continue;
 369
 370                 // Increase buffer space
 371                 tmp = realloc( *TruePath, retLength + strlen(pathEle) + 1 + 1 );
 372                 // Check if allocation succeeded
 373                 if(!tmp) {
 374                         Warning("VFS_ParsePath -  Unable to reallocate true path buffer");
 375                         free(*TruePath);
 376                         *TruePath = NULL;
 377                         if(curNode->Close)      curNode->Close(curNode);
 378                         LEAVE('n');
 379                         return NULL;
 380                 }
 381                 *TruePath = tmp;
 382                 // Append to path
 383                 (*TruePath)[retLength] = '/';
 384                 strcpy(*TruePath+retLength+1, pathEle);
 385
 386                 LOG("*TruePath = '%s'", *TruePath);
 387
 388                 // - Extend Path
 389                 retLength += nextSlash + 1;
 390         }
 391
 392         if( !curNode->FindDir ) {
 393                 if(curNode->Close)      curNode->Close(curNode);
 394                 if(TruePath) {
 395                         free(*TruePath);
 396                         *TruePath = NULL;
 397                 }
 398                 Log("FindDir fail on '%s'", Path);
 399                 LEAVE('n');
 400                 return NULL;
 401         }
 402
 403         // Get last node
 404         LOG("VFS_ParsePath: FindDir(%p, '%s')", curNode, &Path[ofs]);
 405         tmpNode = curNode->FindDir(curNode, &Path[ofs]);
 406         LOG("tmpNode = %p", tmpNode);
 407         if(curNode->Close)      curNode->Close(curNode);
 408         // Check if file was found
 409         if(!tmpNode) {
 410                 LOG("Node '%s' not found in dir '%s'", &Path[ofs], Path);
 411                 //Log("Child fail '%s' ('%s')", Path, &Path[ofs]);
 412                 if(TruePath)    free(*TruePath);
 413                 if(curNode->Close)      curNode->Close(curNode);
 414                 LEAVE('n');
 415                 return NULL;
 416         }
 417
 418         if(TruePath)
 419         {
 420                 // Increase buffer space
 421                 tmp = realloc(*TruePath, retLength + strlen(&Path[ofs]) + 1 + 1);
 422                 // Check if allocation succeeded
 423                 if(!tmp) {
 424                         Warning("VFS_ParsePath -  Unable to reallocate true path buffer");
 425                         free(*TruePath);
 426                         if(tmpNode->Close)      tmpNode->Close(curNode);
 427                         LEAVE('n');
 428                         return NULL;
 429                 }
 430                 *TruePath = tmp;
 431                 // Append to path
 432                 (*TruePath)[retLength] = '/';
 433                 strcpy(*TruePath + retLength + 1, &Path[ofs]);
 434                 // - Extend Path
 435                 //retLength += strlen(tmpNode->Name) + 1;
 436         }
 437
 438         LEAVE('p', tmpNode);
 439         return tmpNode;
 440 }
 441
 442 /**
 443  * \fn int VFS_Open(const char *Path, Uint Mode)
 444  * \brief Open a file
 445  */
 446 int VFS_Open(const char *Path, Uint Mode)
 447 {
 448         tVFS_Node       *node;
 449         char    *absPath;
 450          int    i;
 451
 452         ENTER("sPath xMode", Path, Mode);
 453
 454         // Get absolute path
 455         absPath = VFS_GetAbsPath(Path);
 456         if(absPath == NULL) {
 457                 Log_Warning("VFS", "VFS_Open: Path expansion failed '%s'", Path);
 458                 return -1;
 459         }
 460         LOG("absPath = \"%s\"", absPath);
 461         // Parse path and get mount point
 462         node = VFS_ParsePath(absPath, NULL);
 463         // Free generated path
 464         free(absPath);
 465
 466         if(!node) {
 467                 LOG("Cannot find node");
 468                 LEAVE('i', -1);
 469                 return -1;
 470         }
 471
 472         // Check for symlinks
 473         if( !(Mode & VFS_OPENFLAG_NOLINK) && (node->Flags & VFS_FFLAG_SYMLINK) )
 474         {
 475                 if( !node->Read ) {
 476                         Warning("No read method on symlink");
 477                         LEAVE('i', -1);
 478                         return -1;
 479                 }
 480                 absPath = malloc(node->Size+1); // Allocate Buffer
 481                 node->Read( node, 0, node->Size, absPath );     // Read Path
 482
 483                 absPath[ node->Size ] = '\0';   // End String
 484                 if(node->Close) node->Close( node );    // Close old node
 485                 node = VFS_ParsePath(absPath, NULL);    // Get new node
 486                 free( absPath );        // Free allocated path
 487         }
 488
 489         if(!node) {
 490                 LOG("Cannot find node");
 491                 LEAVE('i', -1);
 492                 return -1;
 493         }
 494
 495         i = 0;
 496         i |= (Mode & VFS_OPENFLAG_EXEC) ? VFS_PERM_EXECUTE : 0;
 497         i |= (Mode & VFS_OPENFLAG_READ) ? VFS_PERM_READ : 0;
 498         i |= (Mode & VFS_OPENFLAG_WRITE) ? VFS_PERM_WRITE : 0;
 499
 500         LOG("i = 0b%b", i);
 501
 502         // Permissions Check
 503         if( !VFS_CheckACL(node, i) ) {
 504                 if(node->Close) node->Close( node );
 505                 Log("VFS_Open: Permissions Failed");
 506                 LEAVE('i', -1);
 507                 return -1;
 508         }
 509
 510         i = VFS_AllocHandle( !!(Mode & VFS_OPENFLAG_USER), node, Mode );
 511         if( i >= 0 ) {
 512                 LEAVE('x', i);
 513                 return i;
 514         }
 515
 516         Log("VFS_Open: Out of handles");
 517         LEAVE('i', -1);
 518         return -1;
 519 }
 520
 521
 522 /**
 523  * \brief Open a file from an open directory
 524  */
 525 int VFS_OpenChild(Uint *Errno, int FD, const char *Name, Uint Mode)
 526 {
 527         tVFS_Handle     *h;
 528         tVFS_Node       *node;
 529          int    i;
 530
 531         // Get handle
 532         h = VFS_GetHandle(FD);
 533         if(h == NULL) {
 534                 Log_Warning("VFS", "VFS_OpenChild - Invalid file handle 0x%x", FD);
 535                 if(Errno)       *Errno = EINVAL;
 536                 LEAVE('i', -1);
 537                 return -1;
 538         }
 539
 540         // Check for directory
 541         if( !(h->Node->Flags & VFS_FFLAG_DIRECTORY) ) {
 542                 Log_Warning("VFS", "VFS_OpenChild - Passed handle is not a directory", FD);
 543                 if(Errno)       *Errno = ENOTDIR;
 544                 LEAVE('i', -1);
 545                 return -1;
 546         }
 547
 548         // Find Child
 549         node = h->Node->FindDir(h->Node, Name);
 550         if(!node) {
 551                 if(Errno)       *Errno = ENOENT;
 552                 LEAVE('i', -1);
 553                 return -1;
 554         }
 555
 556         i = 0;
 557         i |= (Mode & VFS_OPENFLAG_EXEC) ? VFS_PERM_EXECUTE : 0;
 558         i |= (Mode & VFS_OPENFLAG_READ) ? VFS_PERM_READ : 0;
 559         i |= (Mode & VFS_OPENFLAG_WRITE) ? VFS_PERM_WRITE : 0;
 560
 561         // Permissions Check
 562         if( !VFS_CheckACL(node, i) ) {
 563                 if(node->Close) node->Close( node );
 564                 Log_Notice("VFS", "VFS_OpenChild - Permissions Failed");
 565                 if(Errno)       *Errno = EACCES;
 566                 LEAVE('i', -1);
 567                 return -1;
 568         }
 569
 570         i = VFS_AllocHandle( !!(Mode & VFS_OPENFLAG_USER), node, Mode );
 571         if( i >= 0 ) {
 572                 LEAVE('x', i);
 573                 return i;
 574         }
 575
 576         Log_Error("VFS", "VFS_OpenChild - Out of handles");
 577         if(Errno)       *Errno = ENFILE;
 578         LEAVE('i', -1);
 579         return -1;
 580 }
 581
 582 /**
 583  * \fn void VFS_Close(int FD)
 584  * \brief Closes an open file handle
 585  */
 586 void VFS_Close(int FD)
 587 {
 588         tVFS_Handle     *h;
 589
 590         // Get handle
 591         h = VFS_GetHandle(FD);
 592         if(h == NULL) {
 593                 Log_Warning("VFS", "Invalid file handle passed to VFS_Close, 0x%x\n", FD);
 594                 return;
 595         }
 596
 597         #if VALIDATE_VFS_FUNCTIPONS
 598         if(h->Node->Close && !MM_GetPhysAddr(h->Node->Close)) {
 599                 Log_Warning("VFS", "Node %p's ->Close method is invalid (%p)",
 600                         h->Node, h->Node->Close);
 601                 return ;
 602         }
 603         #endif
 604
 605         if(h->Node->Close)
 606                 h->Node->Close( h->Node );
 607
 608         h->Node = NULL;
 609 }
 610
 611 /**
 612  * \brief Change current working directory
 613  */
 614 int VFS_ChDir(char *Dest)
 615 {
 616         char    *buf;
 617          int    fd;
 618         tVFS_Handle     *h;
 619
 620         // Create Absolute
 621         buf = VFS_GetAbsPath(Dest);
 622         if(buf == NULL) {
 623                 Log("VFS_ChDir: Path expansion failed");
 624                 return -1;
 625         }
 626
 627         // Check if path exists
 628         fd = VFS_Open(buf, VFS_OPENFLAG_EXEC);
 629         if(fd == -1) {
 630                 Log("VFS_ChDir: Path is invalid");
 631                 return -1;
 632         }
 633
 634         // Get node so we can check for directory
 635         h = VFS_GetHandle(fd);
 636         if( !(h->Node->Flags & VFS_FFLAG_DIRECTORY) ) {
 637                 Log("VFS_ChDir: Path is not a directory");
 638                 VFS_Close(fd);
 639                 return -1;
 640         }
 641
 642         // Close file
 643         VFS_Close(fd);
 644
 645         // Free old working directory
 646         if( CFGPTR(CFG_VFS_CWD) )
 647                 free( CFGPTR(CFG_VFS_CWD) );
 648         // Set new
 649         CFGPTR(CFG_VFS_CWD) = buf;
 650
 651         Log("Updated CWD to '%s'", buf);
 652
 653         return 1;
 654 }
 655
 656 /**
 657  * \fn int VFS_ChRoot(char *New)
 658  * \brief Change current root directory
 659  */
 660 int VFS_ChRoot(char *New)
 661 {
 662         char    *buf;
 663          int    fd;
 664         tVFS_Handle     *h;
 665
 666         if(New[0] == '/' && New[1] == '\0')
 667                 return 1;       // What a useless thing to ask!
 668
 669         // Create Absolute
 670         buf = VFS_GetAbsPath(New);
 671         if(buf == NULL) {
 672                 LOG("Path expansion failed");
 673                 return -1;
 674         }
 675
 676         // Check if path exists
 677         fd = VFS_Open(buf, VFS_OPENFLAG_EXEC);
 678         if(fd == -1) {
 679                 LOG("Path is invalid");
 680                 return -1;
 681         }
 682
 683         // Get node so we can check for directory
 684         h = VFS_GetHandle(fd);
 685         if( !(h->Node->Flags & VFS_FFLAG_DIRECTORY) ) {
 686                 LOG("Path is not a directory");
 687                 VFS_Close(fd);
 688                 return -1;
 689         }
 690
 691         // Close file
 692         VFS_Close(fd);
 693
 694         // Free old working directory
 695         if( CFGPTR(CFG_VFS_CHROOT) )
 696                 free( CFGPTR(CFG_VFS_CHROOT) );
 697         // Set new
 698         CFGPTR(CFG_VFS_CHROOT) = buf;
 699
 700         LOG("Updated Root to '%s'", buf);
 701
 702         return 1;
 703 }
 704
 705 // === EXPORTS ===
 706 EXPORT(VFS_Open);
 707 EXPORT(VFS_Close);